Palabras claves: Andean highland, Artificial vagina, Creole bull, Cryopreservation, Electroejaculation, Soybean- and egg yolk- based extender
Autores: Carlos S. Torres, Carlos U. Iñiguez, D. A. Galarza, Daniel G. Argudo, Fernando P. Perea, Manuel E. Soria, Patricio Bueno, Patricio L. Bueno, Ricardo Alberio, Silvana Méndez